Locator device for selenium rectifiers



Nov- 1 1952 I G. J. EANNARINO LOCATOR DEVICE FOR SELENIUM RECTIFIERS Filed March 8, 1951 Patented Nov. 18, 1952 LOCATOR DEVICE FOR SELENIUM:

- RECTIFIERS George J. Eannarino, Bloomington, Ind., assignor to Sarkes Tarzian, Inc., Bloomington, Ind., a

corporation Application March 8, 1951, Serial No. 214,486

6 Claims.

This invention relates to a locator device for rectifiers and like devices.

In the electronic field generally, and. the radio and video fields specifically, circuit elements and a chassis base predetermine the space available for rectifier inclusion. The rectifier manufacturer for cost reduction purposes standardizes upon certain sizes of rectifiers. Again a radio or Video manufacturer in changing over from one model to another may have a large number of rectifiers on hand which can be utilized.

The present invention accordingly permits the rectifier manufacturer to manufacture predetermined. sizes of capacity and by selectively assooiating the present invention therewith make such rectifier available for the purchasers specific physical requirements when that rectifier is electrically satisfactory. It also permits the radio and video manufacturer to salvage on hand surplus rectifiers if electrically satisfactory. It also enables the distributor and jobber of radio, etc., supplies to stock rectifiers for size only, the purchaser selectively applying this invention to such rectifier as desired or required.

The chief object of the present invention is to provide a selectively positionable locator device applicable to rectifiers and the like.

The chief feature of the present invention resides in the form of the locator whereby it can be applied and detached at Will and can be selectively positioned as desired or required.

Another feature and object of the invention is to provide a locator device, which will provide means for locking that portion of the rectifier to which it is attached against rotative movement on the supporting tube on which said part is mounted.

Other objects and features of the invention will be set forth more fully hereinafter.

The present application is a continuation, in part, for so much as has been disclosed therein, of my copending application Serial No. 151,183 filed March 22, 1950.

The full nature of the invention will be understood from the accompanying drawings and the following description and claims:

In the drawings,

Fig. 1 is a perspective view of a selenium rectifier with the invention applied to the left end thereof.

Fig. 2 is a perspective View of the locator looking into the rear thereof.

Fig. 3 is a front view showing a second location thereof with relation to that shown in Fig. 1.

Fig. 4 is a rear view of a hexagonal form.

Fig. 5 is a rear view of an octagonal form.

Fig. 6 is a similar view of a triangular form.

Fig. '7 is a similar view of a pentagonal form.

Fig. 8 is a perspective View of a modified form of my locator.

Fig. 9 is a detailed sectional view showing an application of the locator shown in Fig. 8.

Fig. 10 is a detailed view, partly in section, showing another application of my improved locator.

In Fig. 1 of the drawings, I 0 indicates generally a selenium type rectifier having the desired length and plates ll of an area varying from threequarters of an inch up by way of example. These are mounted upon insulation tube [2 which projects beyond the plates at opposite ends of the so-called stack. The plates are suitably spaced apart centrally and all may be held together on the tube by lock washers not shown. The ends of the tube mount insulation Washers l3.

Herein, see Fig. 1, this washer is shown square. These end washers are squared with the plates. A rod not shown mounts the rectifier upon the chassis or mounting lugs thereof. Space and clearance requirement may compel the electronic manufacturer or chassis assembler to secure such rectifier in predetermined position upon the chassis.

With a square insulation end washer the locator it, see Figs. 1, 2 and 3, can be applied selectively in quadrature and on either end washer and a stop portion l5 thereof engage said chassis or chassis lug for rectifier location determination. Thus four positions are determined by eight locations of the stop portion I5.

Reference will now be had more particularly to Fig. 2. Herein locator l4 has central opening 16 which may conform to but is smaller than washer l3. Extending inwardly into the opening is portion i i from which projects the angular end portion l5 comprising the stop portion aforesaid.

Extending oppositely from each side edge of the centrally apertured polygonal plate M are means to define a socket in which the washer is nested. Herein such side edge connected means comprises an angularly disposed substantially coextensive fiange [8. Certain of the same or all of them include one or more resilient tongues I9. As shown in Fig. 1 these have their inner portions disposed rearwardly of washer l4 so that the locator device is frictionally locked to the Washer but readily may be separated therefrom for other positioning thereon.

In Figs. 1 to 3 the quadrature form shows the friction locking tongues disposed upon a pair of opposite sides only. As stated, all four sides may have tongue means thereon. Preferably but not necessarily the tongue means on any one side is of interrupted character.

When the locator has an even number of sides alternate side edges only are provided with tongue means, see Figs. 2, l and 5. When the locator has an odd number of sides two adjacent side edges and an opposite intermediate side edge are provided with tongue means. Each locator in outline conforms to and is of about the size of the insulation washer.

In the structure illustrated in Figs. 8, 9 and 10, the locator consists of a flat plate 2!! having rearwardly extending ears 2| struck up on the opposite edges to extend rearwardly from the plate. These ears in turn have inturned teats 22 at their inner ends. On a third edge rearwardly extending stop ears 23 are struck up. These ears, it will be noted, are without the inturned teats.

At any position on the plate a stop ear 24 is stuck up to extend forwardly of the plate. This stop ear may be struck up by the manufacturer from stock locators, at any point, in accordance with the desire of the purchaser.

The opening 25 is provided at its periphery with inturned prongs 26.

In assembly the insulator end washer may be easily slid into position between the teats 22 and the face of the plate 20, being prevented from movement beyond its located position by the ears 23. Stop ears 24 may be positioned at any point desired to locate the rectifier in the position desired by the purchaser.

The structure thus assembled may then be mounted on the insulating tube 21, on which the rectifier plates are assembled, and the supporting screw 28 driven into the tube. The screw has an annular shoulder or flange 29 for holding the insulating washer in position, and as the screw is driven home, the prongs 26 will bite into the edge of the tube, thereby locking the locator and with the insulating washer against rotation on the tube.

In Fig. 10 instead of a screw with a drive in holding thread and flange, as shown in Fig. 9, I provide a bolt 30 extending through the tube and provided with a threaded nut 3| functioning in'the same manner as the flange 29.

While the invention has been illustrated and described in great detail in the drawings and foregoing description, the same is to be consid ered as illustrative and not restrictive in character.

The several modifications described herein as well as others which will readily suggest themselves to persons skilled in this art, all are considered to be within the broad scope of the invention, reference being had to the appended claims.

The invention claimed is:

A locator for selenium rectifiers having an endwise disposed insulating washer of polygonal outline, said locator comprising a centrally apertured plate portion conforming to the outline of the washer, and having rearwardly extending washer edge engaging ears struck up from the edges of the plate portion and rearwardly bent on certain edges of the plate portion, and a forwardly extending stop ear struck up from the plate portion and extending substantially at right angles to the plate portion forwardly from the front face thereof.

2. A locator for selenium rectifiers having an endwise disposed insulating washer of polygonal outline, said locator comprising a centrally apertured plate portion conforming to the outline of the washer and having rearwardly extending washer engaging ears, the rear ends of said ears being bent inwardly to extend substantially parallel with the plate portion, said ears being struck up from the front edges of the plate portion and rearwardly bent on certain of the edges of the plate portion, and a forwardly extending stop ear struck up from the plate portion and extending substantially at right angles to the plate portion forwardly from the front face thereof.

3. A locator for selenium rectifiers having an endwise disposed washer of substantially rectangular form, said locator comprising a centrally apertured plate portion conforming to the outline of the washer and having rearwardly extending washer edge engaging ears struck up from the edge of the plate on at least two opposed edges of the plate portion, and embracing the edges of the washer, said ears having inturned teeth at their ends adapted to engage the rear face of the washer.

4. A locator for selenium rectifiers having a central insulating supporting member and an endwise disposed insulating washer of polygonal outline and a holding stop having means for securing said washer in place, said locator comprising a centrally apertured plate portion conforming to the outline of the washer, and having rearwardly extending washer edge engaging ears struck up from predetermined edges of the plate portion, said ears having inturned ends extending parallel with the rear face of the washer, a forwardly extending stop ear struck up from the plate portion and extending forwardly substantially at right angles to the plate portion, said plate having support engaging prongs on its rear face adapted to be forced into the end of the supporting member by the washer holding means.

5. A locator for selenium rectifiers having a central insulating supporting member and an endwise disposed insulating washer of polygonal outline, and a holding stop having means for securing said washer in place, said locator comprising a centrally apertured plate conforming to the outlines of the washer and having rearwardly extending washer edge engaging ears struck up from predetermined edges of the plate portion, said ears having inturned ends lying substantially parallel with the rear face of the plate and forwardly extending stop ears struck up from the plate portion and extending forwardly at substantially right angles to the plate portion, the central aperture of said plate portion being of less diameter than the supporting member, and engaging prongs formed at the edge of said opening and forced into locking engagement with the end of the supporting member by the securing means on said holding stop.

6. A locator for selenium rectifiers having a central insulating supporting member and an endwise disposed insulating washer of polygonal outline, said locator comprising a centrally apertured plate portion conforming to the outline of the washer, and having rearwardly extending Washer engaging ears struck up from predetermined edges of the plate portion, said ears having inturned ends extending parallel with the rear face of the locator, said locator having on another edge thereof rearwardly extending ears struck up therefrom, and a stop ear struck up therefrom extending forwardly substantially at right angles to the plate portion.

GEORGE J. EANNARINO.

REFERENCES CITED The following references are of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,533,690 Both Apr. 14, 1925 2,246,722 Camp June 24, 1941 2,278,385 Watts Mar. 31, 1942 2,503,084 White et al Apr. 4, 1950 

